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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

N7AZU callsign genealogy

Currently held by Groombridge, Kenton A

The FCC publishes a previous_call_sign on every amateur license — a self-link to the licensee's prior callsign. Following those links produces the chain below.

Previous callsigns

Older callsigns held by N7AZU's current licensee, walking backwards.

  1. KO4CZIcancelled· T
    Groombridge, Kenton AGAgranted 2020-04-08cancelled 2020-05-01

Successor callsigns

Callsigns held now by people who previously held N7AZU.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N7AZU, oldest first.

  • SHEFCHEK, PAUL C CA
    2004-05-11 → cancelled 2016-05-11
  • Groombridge, Kenton A GA
    2020-05-01 active